Justin Bieber performed Believe hits "Boyfriend" and "Beauty and a Beat" at the Grey Cup in Toronto, Nov. 25. According to CP, the Rogers Centre booed his show. (Maybe they didn't like his leather sweatsuit.)Colleen De Neve/Postmedia News

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Despite the boos, Justin Bieber was sweet as an 18-year-old pop superstar can be to the Grey Cup crowd. "Thank you so much Canada," Bieber cried. "I love you."Getty Images